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Old 11-08-2019, 07:57 AM
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Electronic M Electronic M is offline
M is for Memory
 
Join Date: Jan 2011
Location: Pewaukee/Delafield Wi
Posts: 15,443
Couple of thoughts:
Back in the 90s ARC had an article on how to build a switch mode supply for these that would make the 90V off of the filament D cells.

Parts chassis for these are out there, and I have one if someone needs something.
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